Home / 13,585.08-18,747.44-7,535.75

Finding the Fourth Proportional to 13,585.08, 18,747.44 and 7,535.75

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Solution

The fourth proportional to 13,585.08, 18,747.44 and 7,535.75 is: 10,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.08 : 18,747.44 = 7,535.75 : x
  2. Step 2: Convert to fraction form
    13,585.08/18,747.44 = 7,535.75/x
  3. Step 3: Cross multiply
    13,585.08x = 18,747.44 × 7,535.75
  4. Step 4: Simplify right side
    13,585.08x = 141,276,020.98
  5. Step 5: Solve for x
    x = 141,276,020.98/13,585.08
  6. Step 6: Final answer
    x = 10,399.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.